#most-purchased {
    list-style: none;
    margin: 2% 0;
    padding: 0;
}

#most-purchased li {
    display: inline-block;
    margin: 1% 1% 1% 0;
    padding: 0;
    vertical-align: top;
}

#most-purchased li a:link, #most-purchased li a:visited {
    color: #292929;
    text-decoration: none;
}

#most-purchased li .book {
    min-height: 175px;
    max-width: 322px;
    width: 322px;
}

#most-purchased li .book-image {
    border: 1px solid gray;
    font-weight: 600;
    margin: 0 8px 0 0;
}

#most-purchased li .book-informations {
    background: #FF3636;
    color: white;
    display: inline-block;
    max-height: 200px;
    padding: 15px;
    vertical-align: top;
    width: 50%;
    position:relative;
}

#most-purchased li .book-informations:focus {
    transform: scale(0.95);
    transition: transform 100ms ease-in;
}

#most-purchased li .book-informations:after {
    content: '';
    display: block;
    position: absolute;
    border-color: transparent #FF3636 transparent transparent;
    border-style: solid;
    border-width: 10px;
    top: 20px;
    left: -20px;
}

#most-purchased li .book-informations h3 {
    font-size: 18px;
}

#most-purchased li book-informations h3 .book-author {
    font-size: 15px;
    font-style: italic;
    font-weight: 300;
}

#most-purchased li .book-informations .book-price {
    font-weight: 600;
}